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All Categories1 > FCI demo > Gear Wheels > Spur Gears > Spur Gears > Item # 21  


Item # 21, NUM - no. of teeth

All spur gears described are either Hubbed or Hubless.
Hubbed gears come with a set screw hole and a set screw (see print).
Hubless gears are flat (see print).

All gears available in brass, Delrin, 303 stainless, 17-4 stainless, 440 stainless (heat treated), anodized aluminum (except on teeth).



 Specifications 

Dp - pitch circle diameter
1.73 in

Do - outer diameter
1.89 in

d -inside diameter
0.65 in

T - tooth width
0.7 in

NUM - no. of teeth
21



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